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Grid engine failing to snap to grid after version >= 2.17.0

See original GitHub issue

Hey folks!

I’m creating a MMORPG here and this lib is one of my critical libs. My character suddenly stopped to snap to the grid after I was updating my dependencies about 2 days ago. It took me almost 8 hours to realize that this was because I had a:

    "grid-engine": "^2.12.0",

On my package.json, so yarn was automatically updating it to the latest version (2.19.0)

Once I figured out the problem, I noticed that it started from 2.17.0 above.

Screenshot (1)

Screenshot (13)

Here’s my implementation code:

import { FromGridX, FromGridY, ToGridX, ToGridY } from '@rpg-engine/shared';
import { IComponent } from '../../abstractions/ComponentService';
import { Entity } from '../../abstractions/Entity';

export class EntityGrid implements IComponent {
private gameObject: Entity;

public init(targetObject: Entity) {
  this.gameObject = targetObject;
}

public awake() {
  // this whole offset and displayOrigin adjustments are required because our entity sprites are 32x32 while our tileset is 16x16

  this.gameObject.scene.grid.addCharacter({
    id: this.gameObject.id,
    sprite: this.gameObject,
    // walkingAnimationMapping: 6,
    startPosition: {
      x: ToGridX(this.gameObject.x),
      y: ToGridY(this.gameObject.y),
    },
    speed: this.gameObject.speed,
    charLayer: 'character',
    collides: false,
  });

  // make sure our sprite position and grid position are the same, to avoid inconsistencies
  const { x: gx, y: gy } = this.gameObject.scene.grid.getPosition(this.gameObject.id);
  this.gameObject.x = FromGridX(gx);
  this.gameObject.y = FromGridY(gy);
}
}

My fix was rolling back to the 2.16.0 version.